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POLY TEC PRODUCTS INC

Overview
  • Total Patents
    29
About

POLY TEC PRODUCTS INC has a total of 29 patent applications. Its first patent ever was published in 1990. It filed its patents most often in United States, Canada and Mexico. Its main competitors in its focus markets mechanical elements, civil engineering and machines are LOK CORP A, PRESS SEAL CORP and TRELLEBORG FORSHEDA BUILDING A.

Patent filings in countries

World map showing POLY TEC PRODUCTS INCs patent filings in countries
# Country Total Patents
#1 United States 18
#2 Canada 9
#3 Mexico 2

Patent filings per year

Chart showing POLY TEC PRODUCTS INCs patent filings per year from 1900 to 2020

Top inventors

# Name Total Patents
#1 Kelly James A 27
#2 Westhoff James A 27
#3 Mirales James 5
#4 Andrick William C 3
#5 Parker James E 2
#6 Williams Craig B 1
#7 James A Westhoff 1

Latest patents

Publication Filing date Title
US2007090566A1 Inserts and reusable holder therefor
US2005188645A1 Inserts and method and apparatus for embedding inserts in cast members
CA2432250A1 Novel packaging design incorporating gasket clamping assemblies and installation instructions
US2002190478A1 Expansion type clamping band characterized by simplified design and ease of use
US6406025B1 Gasket and method for fabrication and use with corrugated pipe
US6568691B1 Method and apparatus for forming cast members having embedded boot type gaskets
US6651949B1 Apparatus for casting a gasket and associated positioning member into an opening and a cast member for receiving a conduit
US7108101B1 Manhole insert for manufacture of a cast member and to provide a step insert having increased structural and holding strength
US6196517B1 Placement ring assembly having cushioned knockout assembly
US6126173A Extruded gasket for cored manholes
US5997006A Bidirectional gasket having water energizing pockets
US5884438A Lift insert assembly and fabrication assembly method therefore
US5860254A Lift insert assembly and fabrication assembly method
CA2162357A1 Method and apparatus for lining manhole assemblies and the like
US5217237A Bidirectional gasket having water energizing pockets
US5248154A Bidirectional gasket
US5299884A Water lock method and apparatus
US5081802A Method and apparatus for lining manhole assemblies and the like